Use updated CI actions

Author: modulrmike

.github/workflows/rust.yml

@@ -1,4 +1,4 @@
-name: Modulr Agent Build & Test
+name: Modulr Agent Build & Test (Multi-Arch)
 
 on:
   push:
@@ -7,22 +7,29 @@ on:
   pull_request:
 
 jobs:
-  build-and-test:
+  build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        arch: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu, armv7-unknown-linux-gnueabihf]
+        target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu, armv7-unknown-linux-gnueabihf]
+
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Set up Rust
-        uses: actions/setup-rust@v2
+      - name: Set up Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          rust-version: stable
+          toolchain: stable
 
-      - name: Add target for cross-compilation
-        run: rustup target add ${{ matrix.arch }}
+      - name: Cache Cargo registry and target
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Install system dependencies
         run: |
@@ -38,17 +45,18 @@ jobs:
             libgstrtspserver-1.0-dev \
             libges-1.0-dev
 
-      - name: Build project
-        run: |
-          echo "Building for target: ${{ matrix.arch }}"
-          cargo build --release --target ${{ matrix.arch }}
+      - name: Add target if needed
+        run: rustup target add ${{ matrix.target }}
+
+      - name: Build (release)
+        run: cargo build --release --target ${{ matrix.target }}
 
-      - name: Run tests
-        if: matrix.arch == 'x86_64-unknown-linux-gnu'
+      - name: Run tests (only on x86_64)
+        if: matrix.target == 'x86_64-unknown-linux-gnu'
         run: cargo test --release
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v5
         with:
-          name: build-${{ matrix.arch }}
-          path: target/${{ matrix.arch }}/release/
+          name: "rust-build-${{ matrix.target }}"
+          path: target/${{ matrix.target }}/release/